Photoresist Chemicals TIANFU-CHEM Spiro[1-azabicyclo[2.2.2]octane-3,5′-oxazolidin]-2′-one, 3′-[5-(4-quinolinyl)-2-thienyl]-, (3R)- Cas：828929-72-2 Molecular Formula：C22H21N3O2S